Removed hindi course from English file (#11560)

courses/free-courses-en.md

@@ -571,7 +571,6 @@
 * [Database Systems - Cornell University Course (SQL, NoSQL, Large-Scale Data Analysis)](https://www.youtube.com/watch?v=4cWkVbC2bNE) - Professor Immanuel Trummer, freeCodeCamp.org
 * [Databases in Depth](https://www.youtube.com/playlist?list=PLliXPok7ZonnALnedG5doBOSCXlU14yJF) - Keerti Purswani
 * [DBMS for GATE Exams](https://www.youtube.com/playlist?list=PLWPirh4EWFpGrpcMfZ6UcdI786QdtSxV8) - Tutorialspoint
-* [DBMS Placement Series](https://www.youtube.com/playlist?list=PLDzeHZWIZsTpukecmA2p5rhHM14bl2dHU) - CodeHelp by Babbar
 * [DML Server Administration](https://alison.com/course/databases-dml-statements-and-sql-server-administration-revised) (Alison)
 * [Introduction to Databases](https://lagunita.stanford.edu/courses/Engineering/db/2014_1/about) (Stanford University)
 * [Introduction to the Fundamentals of Databases](https://www.simplilearn.com/learn-basics-of-databases-free-course-skillup) (Simplilearn)